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Biosystems. 2011 Feb;103(2):152-7. doi: 10.1016/j.biosystems.2010.10.008. Epub 2010 Oct 20.

Modeling and simulation of the initial phases of chlorophyll fluorescence from Photosystem II.

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Department of Biological Engineering, University of Missouri, Columbia, MO 65211, USA.


A simple kinetic model structure for chlorophyll fluorescence (ChlF) from Photosystem II (PSII) offers practical usefulness in quantitative analysis and extraction of information from measured ChlF. In this work, the major PSII phototransduction kinetics was represented with only five state variables. Parameters were estimated through a least-squares algorithm. The developed model structure could produce the well-known OJIP pattern and fit measured ChlF. Influences of PQ pool size, active Q(B) sites, and Q(A) reduction rate on ChlF emission were simulated and discussed in light of the existing literature.

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